diff options
Diffstat (limited to 'Lib/subprocess.py')
| -rw-r--r-- | Lib/subprocess.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Lib/subprocess.py b/Lib/subprocess.py index 88355ad..f717c82 100644 --- a/Lib/subprocess.py +++ b/Lib/subprocess.py @@ -1361,7 +1361,10 @@ class Popen(object): executable_list = tuple( os.path.join(os.fsencode(dir), executable) for dir in os.get_exec_path(env)) - fds_to_keep = set(pass_fds) + # Never close stdin, stdout and stderr for the child. + fds_to_keep = {0,1,2} + fds_to_keep.update(pass_fds) + # Our child uses this one to signal error before exec(). fds_to_keep.add(errpipe_write) self.pid = _posixsubprocess.fork_exec( args, executable_list, |